<!DOCTYPE html
    PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html lang="en">

<head>
    <title>quotes 属性指定了引号</title>
    <style type="text/css">
        q:lang(en) {
            quotes: "~" "~" "'" "'";
        }
    </style>
</head>

<body>

    <p><q>This is a <q>big</q> quote.</q></p>
    <p><b>注意:</b>当声明了!DOCTYPE 时， IE8 才支持这些属性。</p>
</body>

</html>